Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WTI8899-19 found under Plastic Sheet by Westland Technologies Inc. The National Stock Number assigned to this part is 9330014396950, and the Federal Supply Class is 9330 Plastics Fabricated Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WTI8899-19.